```html
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<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4">
        <div class="container mx-auto max-w-5xl text-center">
            <div class="flex justify-center mb-6">
                <span class="bg-white bg-opacity-20 rounded-full p-3">
                    <i class="fas fa-database text-3xl"></i>
                </span>
            </div>
            <h1 class="text-4xl md:text-5xl font-bold mb-4">MyBatis UnpooledDataSource 深度解析</h1>
            <p class="text-xl md:text-2xl opacity-90 mb-8">探索MyBatis自带数据源的核心特性与应用场景</p>
            <div class="flex justify-center space-x-4">
                <span class="px-4 py-2 bg-white bg-opacity-20 rounded-full text-sm">#MyBatis</span>
                <span class="px-4 py-2 bg-white bg-opacity-20 rounded-full text-sm">#数据库连接池</span>
                <span class="px-4 py-2 bg-white bg-opacity-20 rounded-full text-sm">#Java开发</span>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="container mx-auto max-w-5xl px-4 py-12">
        <!-- Introduction -->
        <section class="mb-16">
            <div class="bg-white rounded-xl shadow-md p-8 card-hover">
                <div class="flex items-start mb-6">
                    <span class="first-letter">M</span>
                    <div>
                        <h2 class="text-2xl font-bold text-gray-800 mb-2">MyBatis自带的连接池</h2>
                        <p class="text-gray-600">是 <code class="bg-gray-100 px-2 py-1 rounded">org.apache.ibatis.datasource.unpooled.UnpooledDataSource</code>，这是 MyBatis 提供的一个简单的、非线程安全的数据源实现。它主要用于演示和轻量级的用途，并不适合生产环境。</p>
                    </div>
                </div>
            </div>
        </section>

        <!-- Overview Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <i class="fas fa-info-circle feature-icon mr-4"></i>
                <h2 class="text-3xl font-bold text-gray-800">UnpooledDataSource 概述</h2>
            </div>
            <div class="grid md:grid-cols-2 gap-8">
                <div class="bg-white rounded-xl shadow-md p-8 card-hover">
                    <h3 class="text-xl font-semibold mb-4 text-gray-800">核心特性</h3>
                    <ul class="space-y-3">
                        <li class="flex items-start">
                            <i class="fas fa-circle text-xs text-blue-500 mt-1 mr-2"></i>
                            <span><strong>非池化</strong>：每次获取数据库连接时，都会创建一个新的连接，而不是从连接池中取出。这意味着没有连接复用。</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-circle text-xs text-blue-500 mt-1 mr-2"></i>
                            <span><strong>简单实现</strong>：它的实现非常简单，没有连接池管理的复杂逻辑，如连接池的创建、销毁、管理等。</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-circle text-xs text-blue-500 mt-1 mr-2"></i>
                            <span><strong>轻量级</strong>：代码量少，依赖简单，适合作为学习和理解数据源工作原理的示例。</span>
                        </li>
                    </ul>
                </div>
                <div class="bg-white rounded-xl shadow-md p-8 card-hover">
                    <div class="mermaid">
                        graph TD
                            A[UnpooledDataSource] --> B[创建新连接]
                            B --> C[DriverManager.getConnection]
                            A --> D[关闭连接]
                            D --> E[Connection.close]
                    </div>
                </div>
            </div>
        </section>

        <!-- Usage Scenarios Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <i class="fas fa-lightbulb feature-icon mr-4"></i>
                <h2 class="text-3xl font-bold text-gray-800">使用场景</h2>
            </div>
            <div class="grid md:grid-cols-3 gap-6">
                <div class="bg-white rounded-xl shadow-md p-6 card-hover text-center">
                    <div class="text-blue-500 mb-4">
                        <i class="fas fa-laptop-code text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">开发环境</h3>
                    <p class="text-gray-600">用于轻量级的开发和测试场景，便于快速配置和调试。</p>
                </div>
                <div class="bg-white rounded-xl shadow-md p-6 card-hover text-center">
                    <div class="text-blue-500 mb-4">
                        <i class="fas fa-chalkboard-teacher text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">教学演示</h3>
                    <p class="text-gray-600">用于演示 MyBatis 的基本功能，不涉及性能和生产级的需求。</p>
                </div>
                <div class="bg-white rounded-xl shadow-md p-6 card-hover text-center">
                    <div class="text-blue-500 mb-4">
                        <i class="fas fa-vial text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">原型开发</h3>
                    <p class="text-gray-600">在项目初期快速搭建原型，无需考虑性能问题。</p>
                </div>
            </div>
        </section>

        <!-- Configuration Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <i class="fas fa-cog feature-icon mr-4"></i>
                <h2 class="text-3xl font-bold text-gray-800">配置指南</h2>
            </div>
            <div class="bg-white rounded-xl shadow-md overflow-hidden card-hover">
                <div class="p-6">
                    <h3 class="text-xl font-semibold mb-4 text-gray-800">MyBatis 配置文件示例</h3>
                    <p class="text-gray-600 mb-4">在 MyBatis 的配置文件中，你可以通过 <code class="bg-gray-100 px-2 py-1 rounded">dataSource</code> 配置项指定使用 <code class="bg-gray-100 px-2 py-1 rounded">UnpooledDataSource</code>。</p>
                </div>
                <div class="code-block p-4 overflow-x-auto">
                    <pre><code class="text-sm">&lt;configuration&gt;
  &lt;dataSource type="UNPOOLED"&gt;
    &lt;property name="driver" value="com.mysql.cj.jdbc.Driver"/&gt;
    &lt;property name="url" value="jdbc:mysql://localhost:3306/mydatabase"/&gt;
    &lt;property name="username" value="myuser"/&gt;
    &lt;property name="password" value="mypassword"/&gt;
  &lt;/dataSource&gt;

  &lt;!-- 其他配置 --&gt;
&lt;/configuration&gt;</code></pre>
                </div>
                <div class="p-6">
                    <div class="flex items-start bg-blue-50 p-4 rounded-lg">
                        <i class="fas fa-exclamation-triangle text-yellow-500 mt-1 mr-3"></i>
                        <div>
                            <h4 class="font-semibold text-gray-800 mb-1">重要提示</h4>
                            <p class="text-gray-600 text-sm">生产环境中不建议使用 UnpooledDataSource，因为它缺乏连接池管理功能，会导致性能问题和资源浪费。</p>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Comparison Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <i class="fas fa-balance-scale feature-icon mr-4"></i>
                <h2 class="text-3xl font-bold text-gray-800">与其他连接池的比较</h2>
            </div>
            <div class="bg-white rounded-xl shadow-md overflow-hidden card-hover">
                <div class="overflow-x-auto">
                    <table class="min-w-full comparison-table">
                        <thead>
                            <tr>
                                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">特性</th>
                                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">UnpooledDataSource</th>
                                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">HikariCP</th>
                                <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Druid</th>
                            </tr>
                        </thead>
                        <tbody class="divide-y divide-gray-200">
                            <tr>
                                <td class="px-6 py-4 whitespace-nowrap font-medium text-gray-900">连接池</td>
                                <td class="px-6 py-4 whitespace-nowrap text-red-500"><i class="fas fa-times"></i> 无</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500"><i class="fas fa-check"></i> 有</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500"><i class="fas fa-check"></i> 有</td>
                            </tr>
                            <tr>
                                <td class="px-6 py-4 whitespace-nowrap font-medium text-gray-900">性能</td>
                                <td class="px-6 py-4 whitespace-nowrap text-red-500">差</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500">优秀</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500">优秀</td>
                            </tr>
                            <tr>
                                <td class="px-6 py-4 whitespace-nowrap font-medium text-gray-900">监控功能</td>
                                <td class="px-6 py-4 whitespace-nowrap text-red-500"><i class="fas fa-times"></i> 无</td>
                                <td class="px-6 py-4 whitespace-nowrap text-yellow-500">基本</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500">丰富</td>
                            </tr>
                            <tr>
                                <td class="px-6 py-4 whitespace-nowrap font-medium text-gray-900">生产适用</td>
                                <td class="px-6 py-4 whitespace-nowrap text-red-500">不推荐</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500">推荐</td>
                                <td class="px-6 py-4 whitespace-nowrap text-green-500">推荐</td>
                            </tr>
                        </tbody>
                    </table>
                </div>
                <div class="p-6">
                    <div class="mermaid">
                        pie title 生产环境连接池选择
                            "HikariCP" : 45
                            "Druid" : 40
                            "其他" : 10
                            "UnpooledDataSource" : 5
                    </div>
                </div>
            </div>
        </section>

        <!-- Best Practices Section -->
        <section class="mb-16">
            <div class="flex items-center mb-8">
                <i class="fas fa-star feature-icon mr-4"></i>
                <h2 class="text-3xl font-bold text-gray-800">最佳实践建议</h2>
            </div>
            <div class="grid md:grid-cols-2 gap-8">
                <div class="bg-white rounded-xl shadow-md p-8 card-hover">
                    <h3 class="text-xl font-semibold mb-4 text-gray-800">何时使用 UnpooledDataSource</h3>
                    <ul class="space-y-3">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>学习 MyBatis 工作原理时</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>编写简单的单元测试</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>快速原型开发阶段</span>
                        </li>
                    </ul>
                </div>
                <div class="bg-white rounded-xl shadow-md p-8 card-hover">
                    <h3 class="text-xl font-semibold mb-4 text-gray-800">何时避免使用</h3>
                    <ul class="space-y-3">
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>任何生产环境应用</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>高并发应用场景</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>需要连接池管理功能的应用</span>
                        </li>
                    </ul>
                </div>
            </div>
        </section>
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```